US3574399A - Wheelchair including foot rests and arm rests - Google Patents

Wheelchair including foot rests and arm rests Download PDF

Info

Publication number
US3574399A
US3574399A US824905A US3574399DA US3574399A US 3574399 A US3574399 A US 3574399A US 824905 A US824905 A US 824905A US 3574399D A US3574399D A US 3574399DA US 3574399 A US3574399 A US 3574399A
Authority
US
United States
Prior art keywords
wheelchair
chair
frame portion
footrest
armrest
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US824905A
Inventor
Per Edward Carl Udden
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from SE4698/65A external-priority patent/SE306805B/xx
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of US3574399A publication Critical patent/US3574399A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
    • A61G5/041—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven having a specific drive-type
    • A61G5/045—Rear wheel drive
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1051—Arrangements for steering
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1054—Large wheels, e.g. higher than the seat portion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
    • A61G5/125—Rests specially adapted therefor, e.g. for the head or the feet for arms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
    • A61G5/128—Rests specially adapted therefor, e.g. for the head or the feet for feet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D51/00—Motor vehicles characterised by the driver not being seated
    • B62D51/005—Vehicular characteristics of load handling vehicles, e.g. pedestrian trucks
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2203/00—General characteristics of devices
    • A61G2203/10—General characteristics of devices characterised by specific control means, e.g. for adjustment or steering
    • A61G2203/14—Joysticks

Definitions

  • a wheelchair is provided with a footrest and an armrest at opposite sides thereof.
  • the footrest and armrest on at least one side of the wheelchair are supported by a frame portion which is pivotable around an axis extending substantially perpendicular to an associated supporting surface, and locking means is provided to lock the frame portion in position.
  • the frame portion includes two swingably interconnected parts along with means for adjusting the angle between the parts.
  • the seat and backrest of the wheelchair are pivotable around an axis disposed adjacent the back of the seat and extending substantially parallel with an associated supporting surface.
  • the footrests and armrests are usually rigidly interconnected with the frame of the chair so that it is difficult for a person who is disabled to move into and out of the chair.
  • Known constructions have employed swingable armrests which can be laterally moved in order to make it easier for a person to move onto and off of the seat of the chair.
  • the chairs can be pivoted around an axis extending substantially parallel with the floor so that the seat and backrest can be fixed at a suitable angle. It is also known to provide wheelchairs with detachable footrests to enable the wheelchair to be more readily handled and to closely approach walls, tables and beds or the like.
  • the footrests may be secured in the frame of the chair by means of chains or the like so that it can be readily loosened and removed by the patient.
  • conventional footand armrests cannot be readily handled by severely disabled persons.
  • the footrest and armrest at one side of the chair are mounted on a frame portion which is pivotable around an axis extending substantially perpendicular to the floor. This enables the footrest and armrest at one side of the chair to be simultaneously swung sidewards and outwardly so that it is easy to gain access to the chair and to leave the chair when so desired.
  • Locking means is also provided for locking the footrest and armrest in position relative to the chair so that they will not swing out accidentally when the wheelchair is in use.
  • the frame portion includes two swingably interconnected parts the fulcrum of which corresponds to the level of the knee joint of a person sitting in the chair.
  • the angle between the two swingably interconnected parts of the frame can be adjusted by pulling or pushing a wheel which controls screw members, or by operating electrical contact devices for an electric motor, such contact devices being disposed on or close to one of the armrests within easy reach of the patient.
  • the drawing is a perspective view of a wheelchair according to the present invention illustrating the frame portion at one side thereof swung outwardly of the wheelchair.
  • the wheelchair includes a frame 1 made for example of steel tubing and provided with a seat 2 and a backrest 3.
  • the chair includes two large front wheels 4 at opposite sides thereof which are not steerable.
  • the chair is also provided with armrests 5 and footrests 6 disposed at opposite sides thereof, each of the armrests and footrest being mounted on an associated frame portion including two swingably interconnected parts 7 and 8.
  • Each of these frame portions is laterally pivotable around a substantially vertical shaft 9, and are accordingly swingable about an axis extending substantially perpendicular to an associated supporting surface.
  • the two parts 7 and 8 of the frame portion at each side of the wheelchair are interconnected for example by a bolt 10.
  • the angle between the horizontal part 8 and the part 7 carrying the footrest is adjustable by means of screw devices controlled by a wheel 11.
  • Two telescopic tubes 12 and 13 are adjustable by means of a screw and a housing 14. Turning of the wheel 11 in either direction changes the angle between the two parts 7 and 8 of the frame portion thereby causing the footrest to be raised or lowered.
  • the level of the fulcrum 10 provided between parts 7 and 8 of the frame portion corresponds substantially to the position of the knee joint of a person sitting in the chair whereby changing the angle between the parts of the frame portion causes a swinging movement of the legs of the patient around the axis of the knee joint.
  • the horizontal part 8 of the frame portion is also provided with locking means 15 intended to cooperate with a locking heel 16 mounted on the frame of the chair.
  • the locking means 15 comprises a tubular part in which a spring-loaded piston 17 is arranged to be displaced by means of a handle 18.
  • Each of the footrests consists of a plate 6 provided with a flangelike support 19 for the foot.
  • the distance between the plate 6 and the fulcrum 10 is individually adjusted by displacement of the fastening tube 20 at the end of which the plate 6 is swingably connected.
  • the backrest 3 and the seat 2 are pivotable around a horizontal axis 21 disposed adjacent the back of the seat.
  • a control box 22 is disposed close to one armrest, said control box having a knob 23 for controlling an electrical driving mechanism for the wheelchair in the case of a self-propelled type of wheelchair.
  • This box is swingable around an axis 24 extending downwardly from one of the armrests 5 whereby it can be laterally moved to enable a patient to drive the chair close to a table or the like.
  • All of the means by which the footrests and armrests are controlled as well as the backrest and the seat-swinging motion can be operated either manually or by suitable electric motors controlled by regulating means disposed in the control box 22.
  • a wheelchair including footrests at opposite sides of the wheelchair and armrests at opposite sides of the wheelchair, the footrest and armrest on at least one side of the chair being supported by a frame portion which is pivotable around an axis extending substantially perpendicular to an associated support surface to enable the footrest and armrest on said one side of the chair to be simultaneously swung sidewards and outwardly to gain access to the chair and to leave the chair when so desired, and locking means for retaining said frame portion and the associated footrest and armrest -in a predetermined locked position.
  • a wheelchair including footrests at opposite sides of the wheelchair and armrests at opposite sides of the wheelchair, the footrest and arm on at least one side of the chair being supported by a frame portion which is pivotable around an axis extending substantially perpendicular to an associated support surface, and locking means for retaining said frame portion and the associated footrest and armrest in a predetermined locked position, said frame portion including two parts swingably interconnected with one another about an axis, the axis corresponding to the level of the knee joint of a person sitting in the chair, screw means for controlling the angle between said swingably connected parts and means for operating said screw means.
  • said wheelchair includes a seat and backrest, said seat and backrest being pivotable around an axis disposed adjacent the rear of the seat and extending substantially parallel with an associated supporting surface.
  • Apparatus as defined in claim 2 including an electric motor for controlling the angle between the two swingably interconnected parts of the frame, and selectively operable contact devices for controlling said electric motor.

Abstract

A wheelchair is provided with a footrest and an armrest at opposite sides thereof. The footrest and armrest on at least one side of the wheelchair are supported by a frame portion which is pivotable around an axis extending substantially perpendicular to an associated supporting surface, and locking means is provided to lock the frame portion in position. The frame portion includes two swingably interconnected parts along with means for adjusting the angle between the parts. The seat and backrest of the wheelchair are pivotable around an axis disposed adjacent the back of the seat and extending substantially parallel with an associated supporting surface.

Description

United States Patent Inventor Per Edward Carl Udden General Delivery, Timra, Sweden Appl. No. 824,905 Filed May 15, 1969 Patented Apr. 13, 1971 Priority Apr. 9, 1965 Sweden 4698/65 Continuation of application Ser. No. 751,016, June 7, 1968, now abandoned which is a continuation of application Ser. No. 540,652, Apr. 6, 1966, now abandoned.
WHEELCHAIR INCLUDING FOOT RESTS AND ARM RESTS 4 Claims, 1 Drawing Fig.
US. Cl 297/429, 5/86, 297/417, 180/52 Int. Cl A47c 7/54, A47b 83/04 Field of Search 297/414,
Primary Examiner-Casmir A. Nunberg Att0rney-Fred Philpitt ABSTRACT: A wheelchair is provided with a footrest and an armrest at opposite sides thereof. The footrest and armrest on at least one side of the wheelchair are supported by a frame portion which is pivotable around an axis extending substantially perpendicular to an associated supporting surface, and locking means is provided to lock the frame portion in position. The frame portion includes two swingably interconnected parts along with means for adjusting the angle between the parts. The seat and backrest of the wheelchair are pivotable around an axis disposed adjacent the back of the seat and extending substantially parallel with an associated supporting surface.
"Mim
WHEELCHAIR INCLUDING FOOT RESTS AND ARM RESTS CROSS-REFERENCE TO RELATED APPLICATION The present application is a continuation of a streamlined continuation application Ser. No. 751,016 filed on Jun. 7,
1968 by Per E. C. Udden for Motor-Powered Wheelchair,
BACKGROUND OF THE INVENTION In wheelchairs of conventional design, the footrests and armrests are usually rigidly interconnected with the frame of the chair so that it is difficult for a person who is disabled to move into and out of the chair.
Known constructions have employed swingable armrests which can be laterally moved in order to make it easier for a person to move onto and off of the seat of the chair. In some forms of wheelchairs, the chairs can be pivoted around an axis extending substantially parallel with the floor so that the seat and backrest can be fixed at a suitable angle. It is also known to provide wheelchairs with detachable footrests to enable the wheelchair to be more readily handled and to closely approach walls, tables and beds or the like.
The footrests may be secured in the frame of the chair by means of chains or the like so that it can be readily loosened and removed by the patient. However, conventional footand armrests cannot be readily handled by severely disabled persons.
SUMMARY OF THE INVENTION In the present invention, the footrest and armrest at one side of the chair are mounted on a frame portion which is pivotable around an axis extending substantially perpendicular to the floor. This enables the footrest and armrest at one side of the chair to be simultaneously swung sidewards and outwardly so that it is easy to gain access to the chair and to leave the chair when so desired. Locking means is also provided for locking the footrest and armrest in position relative to the chair so that they will not swing out accidentally when the wheelchair is in use.
The frame portion includes two swingably interconnected parts the fulcrum of which corresponds to the level of the knee joint of a person sitting in the chair. The angle between the two swingably interconnected parts of the frame can be adjusted by pulling or pushing a wheel which controls screw members, or by operating electrical contact devices for an electric motor, such contact devices being disposed on or close to one of the armrests within easy reach of the patient.
BRIEF DESCRIPTION OF THE DRAWING The drawing is a perspective view of a wheelchair according to the present invention illustrating the frame portion at one side thereof swung outwardly of the wheelchair.
DESCRIPTION OF THE PREFERRED EMBODIMENT The wheelchair includes a frame 1 made for example of steel tubing and provided with a seat 2 and a backrest 3. The chair includes two large front wheels 4 at opposite sides thereof which are not steerable.
The chair is also provided with armrests 5 and footrests 6 disposed at opposite sides thereof, each of the armrests and footrest being mounted on an associated frame portion including two swingably interconnected parts 7 and 8. Each of these frame portions is laterally pivotable around a substantially vertical shaft 9, and are accordingly swingable about an axis extending substantially perpendicular to an associated supporting surface.
The two parts 7 and 8 of the frame portion at each side of the wheelchair are interconnected for example by a bolt 10. The angle between the horizontal part 8 and the part 7 carrying the footrest is adjustable by means of screw devices controlled by a wheel 11. Two telescopic tubes 12 and 13 are adjustable by means of a screw and a housing 14. Turning of the wheel 11 in either direction changes the angle between the two parts 7 and 8 of the frame portion thereby causing the footrest to be raised or lowered.
The level of the fulcrum 10 provided between parts 7 and 8 of the frame portion corresponds substantially to the position of the knee joint of a person sitting in the chair whereby changing the angle between the parts of the frame portion causes a swinging movement of the legs of the patient around the axis of the knee joint.
The horizontal part 8 of the frame portion is also provided with locking means 15 intended to cooperate with a locking heel 16 mounted on the frame of the chair. The locking means 15 comprises a tubular part in which a spring-loaded piston 17 is arranged to be displaced by means of a handle 18.
Each of the footrests consists of a plate 6 provided with a flangelike support 19 for the foot. The distance between the plate 6 and the fulcrum 10 is individually adjusted by displacement of the fastening tube 20 at the end of which the plate 6 is swingably connected.
The backrest 3 and the seat 2 are pivotable around a horizontal axis 21 disposed adjacent the back of the seat. A control box 22 is disposed close to one armrest, said control box having a knob 23 for controlling an electrical driving mechanism for the wheelchair in the case of a self-propelled type of wheelchair. This box is swingable around an axis 24 extending downwardly from one of the armrests 5 whereby it can be laterally moved to enable a patient to drive the chair close to a table or the like.
All of the means by which the footrests and armrests are controlled as well as the backrest and the seat-swinging motion can be operated either manually or by suitable electric motors controlled by regulating means disposed in the control box 22.
As this invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, the present embodiment is therefore illustrative and not restrictive, and since the scope of the invention is defined by the appended claims, all changes that fall within the metes and bounds of the claims or that form their functional as well as conjointly cooperative equivalents are therefore intended to be embraced by those claims.
I claim:
1. A wheelchair including footrests at opposite sides of the wheelchair and armrests at opposite sides of the wheelchair, the footrest and armrest on at least one side of the chair being supported by a frame portion which is pivotable around an axis extending substantially perpendicular to an associated support surface to enable the footrest and armrest on said one side of the chair to be simultaneously swung sidewards and outwardly to gain access to the chair and to leave the chair when so desired, and locking means for retaining said frame portion and the associated footrest and armrest -in a predetermined locked position.
2. A wheelchair including footrests at opposite sides of the wheelchair and armrests at opposite sides of the wheelchair, the footrest and arm on at least one side of the chair being supported by a frame portion which is pivotable around an axis extending substantially perpendicular to an associated support surface, and locking means for retaining said frame portion and the associated footrest and armrest in a predetermined locked position, said frame portion including two parts swingably interconnected with one another about an axis, the axis corresponding to the level of the knee joint of a person sitting in the chair, screw means for controlling the angle between said swingably connected parts and means for operating said screw means.
3. Apparatus as defined in claim 1 wherein said wheelchair includes a seat and backrest, said seat and backrest being pivotable around an axis disposed adjacent the rear of the seat and extending substantially parallel with an associated supporting surface.
4. Apparatus as defined in claim 2 including an electric motor for controlling the angle between the two swingably interconnected parts of the frame, and selectively operable contact devices for controlling said electric motor.

Claims (4)

1. A wheelchair including footrests at opposite sides of the wheelchair and armrests at opposite sides of the wheelchair, the footrest and armrest on at least one side of the chair being supported by a frame portion which is pivotable around an axis extending substantially perpendicular to an associated support surface to enable the footrest and armrest on said one side of the chair to be simultaneously swung sidewards and outwardly to gain access to the chair and to leave the chair when so desired, and locking mEans for retaining said frame portion and the associated footrest and armrest in a predetermined locked position.
2. A wheelchair including footrests at opposite sides of the wheelchair and armrests at opposite sides of the wheelchair, the footrest and arm on at least one side of the chair being supported by a frame portion which is pivotable around an axis extending substantially perpendicular to an associated support surface, and locking means for retaining said frame portion and the associated footrest and armrest in a predetermined locked position, said frame portion including two parts swingably interconnected with one another about an axis, the axis corresponding to the level of the knee joint of a person sitting in the chair, screw means for controlling the angle between said swingably connected parts and means for operating said screw means.
3. Apparatus as defined in claim 1 wherein said wheelchair includes a seat and backrest, said seat and backrest being pivotable around an axis disposed adjacent the rear of the seat and extending substantially parallel with an associated supporting surface.
4. Apparatus as defined in claim 2 including an electric motor for controlling the angle between the two swingably interconnected parts of the frame, and selectively operable contact devices for controlling said electric motor.
US824905A 1965-04-09 1969-05-15 Wheelchair including foot rests and arm rests Expired - Lifetime US3574399A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE4698/65A SE306805B (en) 1965-04-09 1965-04-09
US54065266A 1966-04-06 1966-04-06
US75101668A 1968-06-07 1968-06-07
US82490569A 1969-05-15 1969-05-15

Publications (1)

Publication Number Publication Date
US3574399A true US3574399A (en) 1971-04-13

Family

ID=27484484

Family Applications (1)

Application Number Title Priority Date Filing Date
US824905A Expired - Lifetime US3574399A (en) 1965-04-09 1969-05-15 Wheelchair including foot rests and arm rests

Country Status (1)

Country Link
US (1) US3574399A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4380343A (en) * 1978-04-24 1983-04-19 Lovell W C Folding scissor frame wheel chair
US4572576A (en) * 1984-08-20 1986-02-25 Quadra Wheelchairs, Inc. Wheelchair with swingable foot support assemblies
WO2002026186A1 (en) * 2000-09-29 2002-04-04 Sunrise Medical Hhg Inc. Power legrest for a wheelchair
WO2003020194A1 (en) * 2001-08-31 2003-03-13 Fredrick Charles Brown Improvements to mobility vehicles
US6715784B2 (en) 2000-05-31 2004-04-06 Sunrise Medical Hhg Inc. Method programming and operating a wheelchair having tilt and recline functions
US20050000020A1 (en) * 2003-02-10 2005-01-06 Ferdinand Schermel Multi-position reclining bed with desk
US20080157501A1 (en) * 2004-10-29 2008-07-03 Flemming Moller Comfort Wheelchair
US20120080246A1 (en) * 2010-09-30 2012-04-05 Permobil Ab Wheelchair Legrest Assembly
US9370456B2 (en) * 2014-11-24 2016-06-21 Robert J. Balderson Chair assembly
US20180221226A1 (en) * 2017-02-03 2018-08-09 Toyota Motor Engineering & Manufacturing North America, Inc. Exoskeleton wheelchair system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2662587A (en) * 1949-11-18 1953-12-15 Mcilvaine Alexander Chair for aerial skilifts
US3057638A (en) * 1960-05-19 1962-10-09 Margit H Floyd Ambulatory seating device
US3205007A (en) * 1964-03-26 1965-09-07 Gendron Wheel Company Swing-away foot rest for invalid wheel chairs

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2662587A (en) * 1949-11-18 1953-12-15 Mcilvaine Alexander Chair for aerial skilifts
US3057638A (en) * 1960-05-19 1962-10-09 Margit H Floyd Ambulatory seating device
US3205007A (en) * 1964-03-26 1965-09-07 Gendron Wheel Company Swing-away foot rest for invalid wheel chairs

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4380343A (en) * 1978-04-24 1983-04-19 Lovell W C Folding scissor frame wheel chair
US4572576A (en) * 1984-08-20 1986-02-25 Quadra Wheelchairs, Inc. Wheelchair with swingable foot support assemblies
US6715784B2 (en) 2000-05-31 2004-04-06 Sunrise Medical Hhg Inc. Method programming and operating a wheelchair having tilt and recline functions
WO2002026186A1 (en) * 2000-09-29 2002-04-04 Sunrise Medical Hhg Inc. Power legrest for a wheelchair
US6450581B1 (en) 2000-09-29 2002-09-17 Sunrise Medical Hhg Inc. Power legrest for a wheelchair
WO2003020194A1 (en) * 2001-08-31 2003-03-13 Fredrick Charles Brown Improvements to mobility vehicles
US8615828B2 (en) * 2003-02-10 2013-12-31 Ferdinand Schermel Multi-position reclining bed
US20050000020A1 (en) * 2003-02-10 2005-01-06 Ferdinand Schermel Multi-position reclining bed with desk
US20080157501A1 (en) * 2004-10-29 2008-07-03 Flemming Moller Comfort Wheelchair
US8186695B2 (en) * 2004-10-29 2012-05-29 R82 A/S Comfort wheelchair
US20120080246A1 (en) * 2010-09-30 2012-04-05 Permobil Ab Wheelchair Legrest Assembly
US8474849B2 (en) * 2010-09-30 2013-07-02 Permobil Ab Wheelchair legrest assembly
CN103221014A (en) * 2010-09-30 2013-07-24 波尔莫比尔公司 Wheelchair legrest assembly
US8622410B2 (en) * 2010-09-30 2014-01-07 Permobil Ab Wheelchair legrest assembly
US9370456B2 (en) * 2014-11-24 2016-06-21 Robert J. Balderson Chair assembly
US20180221226A1 (en) * 2017-02-03 2018-08-09 Toyota Motor Engineering & Manufacturing North America, Inc. Exoskeleton wheelchair system
US11096847B2 (en) * 2017-02-03 2021-08-24 Toyota Motor Engineering & Manufacturing North America, Inc. Exoskeleton wheelchair system
US11806289B2 (en) 2017-02-03 2023-11-07 Toyota Motor Engineering & Manufacturing North America, Inc. Exoskeleton wheelchair system

Similar Documents

Publication Publication Date Title
US3953054A (en) Hand operated wheel-chair
US5044647A (en) Stabilized reclining wheelchair seat
US5309583A (en) Powered lift toilet seat
US3191990A (en) Reclining mechanism for wheelchairs and the like
US4809804A (en) Combination wheelchair and walker apparatus
US4907303A (en) Orthopedic chair
CA2255687C (en) Health care reclining chair
US6276704B1 (en) Adjustable wheelchair having a tilting and reclining seat
US5292144A (en) Wheelchair tilting seat conversion kit
US5137102A (en) Combination wheelchair and walker apparatus
US5098158A (en) Articulated relaxation chair
US4386803A (en) Motorized reclining chair
US5011175A (en) Wheelchair
US5884935A (en) Modular standing support
US4834411A (en) Apparatus for reclining wheelchairs for shampooing chair occupants
US4192549A (en) Weeelchair tilt cradle
US4125269A (en) Recliner-rocker geriatric wheel chair
US4183578A (en) Electrically operated wheeled chair for physically handicapped persons
US3574399A (en) Wheelchair including foot rests and arm rests
US3672722A (en) Invalid chair having adjustable headrest seat and footrest
US3185495A (en) Wheel chair with reclining backrest and movable axle associated therewith
EP0726859B1 (en) Chair lift
JPS62109568A (en) Treatment chair
JP2000107241A (en) Chair for drip and artificial dialysis
GB2124557A (en) Wheelchairs